#include "junix.h"

int main(int argc, char **argv)
{
	printf("%d\n", strncmp("AA","AA",3));
	printf("%d\n", strncmp("AA","BA",3));
	printf("%d\n", strncmp("AA","CA",3));
	printf("%d\n",strncmp("ss","good",5));
    exit(0);
}

